/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterfaceGrid2DCollectionReader.h
Allows a DI to specify data dependencies between emitters, so the system can ensure that the emitter instances are executed in the correct order. The Dependencies array may already contain items, and this method should only append to it.
virtual void GetEmitterDependencies ( [UNiagaraSystem](API\Plugins\Niagara\UNiagaraSystem) * Asset, [TArray](API\Runtime\Core\Containers\TArray)< [FVersionedNiagaraEmitter](API\Plugins\Niagara\FVersionedNiagaraEmitter) > & Dependencies ) const